1023103120 has 80 divisors (see below), whose sum is σ = 2586834432. Its totient is φ = 374054400.

The previous prime is 1023103117. The next prime is 1023103121. The reversal of 1023103120 is 213013201.

1023103120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 1023103120.

It is not an unprimeable number, because it can be changed into a prime (1023103121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102345 + ... + 111895.

Almost surely, 2^1023103120 is an apocalyptic number.

1023103120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1023103120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1293417216).

1023103120 is an abundant number, since it is smaller than the sum of its proper divisors (1563731312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1023103120 is a wasteful number, since it uses less digits than its factorization.

1023103120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9680 (or 9674 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1023103120 is about 31985.9831801369. The cubic root of 1023103120 is about 1007.6424836507.

Adding to 1023103120 its reverse (213013201), we get a palindrome (1236116321).

The spelling of 1023103120 in words is "one billion, twenty-three million, one hundred three thousand, one hundred twenty".